xref: /openbmc/qemu/include/hw/i386/pc.h (revision b4b9a0e3)
1 #ifndef HW_PC_H
2 #define HW_PC_H
3 
4 #include "qemu/notify.h"
5 #include "qapi/qapi-types-common.h"
6 #include "qemu/uuid.h"
7 #include "hw/boards.h"
8 #include "hw/block/fdc.h"
9 #include "hw/block/flash.h"
10 #include "hw/i386/x86.h"
11 
12 #include "hw/acpi/acpi_dev_interface.h"
13 #include "hw/hotplug.h"
14 #include "qom/object.h"
15 #include "hw/i386/sgx-epc.h"
16 
17 #define HPET_INTCAP "hpet-intcap"
18 
19 /**
20  * PCMachineState:
21  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
22  * @boot_cpus: number of present VCPUs
23  */
24 typedef struct PCMachineState {
25     /*< private >*/
26     X86MachineState parent_obj;
27 
28     /* <public> */
29 
30     /* State for other subsystems/APIs: */
31     Notifier machine_done;
32 
33     /* Pointers to devices and objects: */
34     PCIBus *bus;
35     I2CBus *smbus;
36     PFlashCFI01 *flash[2];
37     ISADevice *pcspk;
38 
39     /* Configuration options: */
40     uint64_t max_ram_below_4g;
41     OnOffAuto vmport;
42 
43     bool acpi_build_enabled;
44     bool smbus_enabled;
45     bool sata_enabled;
46     bool pit_enabled;
47     bool hpet_enabled;
48     bool default_bus_bypass_iommu;
49     uint64_t max_fw_size;
50 
51     /* ACPI Memory hotplug IO base address */
52     hwaddr memhp_io_base;
53 
54     SGXEPCState sgx_epc;
55 } PCMachineState;
56 
57 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
58 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
59 #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
60 #define PC_MACHINE_VMPORT           "vmport"
61 #define PC_MACHINE_SMBUS            "smbus"
62 #define PC_MACHINE_SATA             "sata"
63 #define PC_MACHINE_PIT              "pit"
64 #define PC_MACHINE_MAX_FW_SIZE      "max-fw-size"
65 /**
66  * PCMachineClass:
67  *
68  * Compat fields:
69  *
70  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
71  *                        backend's alignment value if provided
72  * @acpi_data_size: Size of the chunk of memory at the top of RAM
73  *                  for the BIOS ACPI tables and other BIOS
74  *                  datastructures.
75  * @gigabyte_align: Make sure that guest addresses aligned at
76  *                  1Gbyte boundaries get mapped to host
77  *                  addresses aligned at 1Gbyte boundaries. This
78  *                  way we can use 1GByte pages in the host.
79  *
80  */
81 struct PCMachineClass {
82     /*< private >*/
83     X86MachineClass parent_class;
84 
85     /*< public >*/
86 
87     /* Device configuration: */
88     bool pci_enabled;
89     bool kvmclock_enabled;
90     const char *default_nic_model;
91 
92     /* Compat options: */
93 
94     /* Default CPU model version.  See x86_cpu_set_default_version(). */
95     int default_cpu_version;
96 
97     /* ACPI compat: */
98     bool has_acpi_build;
99     bool rsdp_in_ram;
100     int legacy_acpi_table_size;
101     unsigned acpi_data_size;
102     bool do_not_add_smb_acpi;
103     int pci_root_uid;
104 
105     /* SMBIOS compat: */
106     bool smbios_defaults;
107     bool smbios_legacy_mode;
108     bool smbios_uuid_encoded;
109 
110     /* RAM / address space compat: */
111     bool gigabyte_align;
112     bool has_reserved_memory;
113     bool enforce_aligned_dimm;
114     bool broken_reserved_end;
115 
116     /* generate legacy CPU hotplug AML */
117     bool legacy_cpu_hotplug;
118 
119     /* use DMA capable linuxboot option rom */
120     bool linuxboot_dma_enabled;
121 
122     /* use PVH to load kernels that support this feature */
123     bool pvh_enabled;
124 
125     /* create kvmclock device even when KVM PV features are not exposed */
126     bool kvmclock_create_always;
127 };
128 
129 #define TYPE_PC_MACHINE "generic-pc-machine"
130 OBJECT_DECLARE_TYPE(PCMachineState, PCMachineClass, PC_MACHINE)
131 
132 /* ioapic.c */
133 
134 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
135 
136 /* pc.c */
137 extern int fd_bootchk;
138 
139 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
140 
141 void pc_guest_info_init(PCMachineState *pcms);
142 
143 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
144 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
145 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
146 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
147 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
148 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
149 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
150 
151 
152 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
153                             MemoryRegion *pci_address_space);
154 
155 void xen_load_linux(PCMachineState *pcms);
156 void pc_memory_init(PCMachineState *pcms,
157                     MemoryRegion *system_memory,
158                     MemoryRegion *rom_memory,
159                     MemoryRegion **ram_memory);
160 uint64_t pc_pci_hole64_start(void);
161 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
162 void pc_basic_device_init(struct PCMachineState *pcms,
163                           ISABus *isa_bus, qemu_irq *gsi,
164                           ISADevice **rtc_state,
165                           bool create_fdctrl,
166                           uint32_t hpet_irqs);
167 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
168 void pc_cmos_init(PCMachineState *pcms,
169                   BusState *ide0, BusState *ide1,
170                   ISADevice *s);
171 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
172 void pc_pci_device_init(PCIBus *pci_bus);
173 
174 typedef void (*cpu_set_smm_t)(int smm, void *arg);
175 
176 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
177 
178 ISADevice *pc_find_fdc0(void);
179 
180 /* port92.c */
181 #define PORT92_A20_LINE "a20"
182 
183 #define TYPE_PORT92 "port92"
184 
185 /* pc_sysfw.c */
186 void pc_system_flash_create(PCMachineState *pcms);
187 void pc_system_flash_cleanup_unused(PCMachineState *pcms);
188 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
189 bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
190                                int *data_len);
191 void pc_system_parse_ovmf_flash(uint8_t *flash_ptr, size_t flash_size);
192 
193 /* hw/i386/acpi-common.c */
194 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
195                        const CPUArchIdList *apic_ids, GArray *entry,
196                        bool force_enabled);
197 
198 /* sgx.c */
199 void pc_machine_init_sgx_epc(PCMachineState *pcms);
200 
201 extern GlobalProperty pc_compat_6_1[];
202 extern const size_t pc_compat_6_1_len;
203 
204 extern GlobalProperty pc_compat_6_0[];
205 extern const size_t pc_compat_6_0_len;
206 
207 extern GlobalProperty pc_compat_5_2[];
208 extern const size_t pc_compat_5_2_len;
209 
210 extern GlobalProperty pc_compat_5_1[];
211 extern const size_t pc_compat_5_1_len;
212 
213 extern GlobalProperty pc_compat_5_0[];
214 extern const size_t pc_compat_5_0_len;
215 
216 extern GlobalProperty pc_compat_4_2[];
217 extern const size_t pc_compat_4_2_len;
218 
219 extern GlobalProperty pc_compat_4_1[];
220 extern const size_t pc_compat_4_1_len;
221 
222 extern GlobalProperty pc_compat_4_0[];
223 extern const size_t pc_compat_4_0_len;
224 
225 extern GlobalProperty pc_compat_3_1[];
226 extern const size_t pc_compat_3_1_len;
227 
228 extern GlobalProperty pc_compat_3_0[];
229 extern const size_t pc_compat_3_0_len;
230 
231 extern GlobalProperty pc_compat_2_12[];
232 extern const size_t pc_compat_2_12_len;
233 
234 extern GlobalProperty pc_compat_2_11[];
235 extern const size_t pc_compat_2_11_len;
236 
237 extern GlobalProperty pc_compat_2_10[];
238 extern const size_t pc_compat_2_10_len;
239 
240 extern GlobalProperty pc_compat_2_9[];
241 extern const size_t pc_compat_2_9_len;
242 
243 extern GlobalProperty pc_compat_2_8[];
244 extern const size_t pc_compat_2_8_len;
245 
246 extern GlobalProperty pc_compat_2_7[];
247 extern const size_t pc_compat_2_7_len;
248 
249 extern GlobalProperty pc_compat_2_6[];
250 extern const size_t pc_compat_2_6_len;
251 
252 extern GlobalProperty pc_compat_2_5[];
253 extern const size_t pc_compat_2_5_len;
254 
255 extern GlobalProperty pc_compat_2_4[];
256 extern const size_t pc_compat_2_4_len;
257 
258 extern GlobalProperty pc_compat_2_3[];
259 extern const size_t pc_compat_2_3_len;
260 
261 extern GlobalProperty pc_compat_2_2[];
262 extern const size_t pc_compat_2_2_len;
263 
264 extern GlobalProperty pc_compat_2_1[];
265 extern const size_t pc_compat_2_1_len;
266 
267 extern GlobalProperty pc_compat_2_0[];
268 extern const size_t pc_compat_2_0_len;
269 
270 extern GlobalProperty pc_compat_1_7[];
271 extern const size_t pc_compat_1_7_len;
272 
273 extern GlobalProperty pc_compat_1_6[];
274 extern const size_t pc_compat_1_6_len;
275 
276 extern GlobalProperty pc_compat_1_5[];
277 extern const size_t pc_compat_1_5_len;
278 
279 extern GlobalProperty pc_compat_1_4[];
280 extern const size_t pc_compat_1_4_len;
281 
282 /* Helper for setting model-id for CPU models that changed model-id
283  * depending on QEMU versions up to QEMU 2.4.
284  */
285 #define PC_CPU_MODEL_IDS(v) \
286     { "qemu32-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
287     { "qemu64-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
288     { "athlon-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },
289 
290 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
291     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
292     { \
293         MachineClass *mc = MACHINE_CLASS(oc); \
294         optsfn(mc); \
295         mc->init = initfn; \
296     } \
297     static const TypeInfo pc_machine_type_##suffix = { \
298         .name       = namestr TYPE_MACHINE_SUFFIX, \
299         .parent     = TYPE_PC_MACHINE, \
300         .class_init = pc_machine_##suffix##_class_init, \
301     }; \
302     static void pc_machine_init_##suffix(void) \
303     { \
304         type_register(&pc_machine_type_##suffix); \
305     } \
306     type_init(pc_machine_init_##suffix)
307 
308 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
309 #endif
310